Yeah that doesn’t make a lot of sense unless you’re plugging like… Directly into your modem without NAT and Firewall. You’ll have to provide some firewall logs, or IDS (if you have).

Is this on a clean install of Ubuntu? Malware? Unwanted apps auto starting and stealing your bandwidth?? Just curious how you came to the conclusion of a DDOS? - that would mean you’re being hit from lots of different IP’s, not just a single one flooding you.

Need a fair bit more info on this matter really; what apps you have installed?Does this happen also if you connect via eth?
It isn’t a distributed attack as all comes from same source, and that source according to whois is:

so just now i turned the vim on and ran on ethernet for 10 minuits no problem.
the vim had been off for 2 days with no attacks .
then i switched to wifi and turned off the ethernet
2 minuits passed and WHAM that 137,1.14.0 DDOS attack
ubuntu mate 16.04 17605 with supertuxkart,steam,kapman,stellerium ,libre office kodi hexchat
turned on ethernet and turned off wifi an it stopped completely.
so im saying that this vim is hacked